What is the lifecycle component of downy mildew that produces zoospores?

The lifecycle component of downy mildew that produces zoospores is sporangia. In the lifecycle of downy mildew, sporangia are specialized structures that develop on the host plant and are responsible for asexual reproduction. When conditions are favorable, these sporangia release zoospores into the environment. Zoospores are motile and can swim in water, which allows them to infect new plant tissues. This mechanism of spread is crucial for the persistence and propagation of downy mildew outbreaks.

Other options like oospores are involved in sexual reproduction, while conidia are a form of asexual reproduction in different fungal pathogens but are not associated with downy mildew. Chlamydospores serve as survival spores for various fungi, allowing them to endure unfavorable conditions, but they do not directly produce zoospores. Hence, the role of sporangia in generating zoospores is integral to the downy mildew lifecycle and demonstrates its ability to spread efficiently across host plants.